Table 4 Correlation coefficients (Kendall’s tau) between ultrasound (USS) grade and CT scores from pooled observations
CorrelationKendall’s tau (95% CI)p Value
USS grade vs CT score0.308 (0.118 to 0.512)0.0035
USS grade vs CT density score0.271 (0.0351 to 0.458)0.0246
USS grade vs CT pleural enhancement score0.208 (−0.0218 to 0.448)0.0716
USS grade vs subcostal thickening score0.188 (−0.0475 to 0.402)0.1036
USS grade vs CT shape score0.367 (0.132 to 0.563)0.0014